जिरकॉन

jirak aaun ek aisa khanij hai jo vibhinn prakar ke khanijoan jaise ilmainait, monajait, rootail, silimainait, thorait, cheralait, garanet adi ke sath mila rahata hai.

prapti sthan

jirak aaun ki prapti ka mukhy srot jirak aauniyam ayask hai. yah uchchakoti ka tap vikiraniy khanij hai tatha isaka dravanaank adhik hota hai. isaka upayog anushakti ke atirikt any anek karyo hetu bhi kiya jata haian. bharat mean isaki prapti keral rajy ke tatiy baloo vale kiklon kshetr, tamilanadu mean tanjavur, kanyakumari, tatha tiroonelavelli ziloan, aandhr pradesh ke vishakhapatnam zile tatha jharakhand rajay ke raanchi tatha hazaribag ziloan ki jalodh mitti vale kshetroan se hoti hai.

panne ki pragati avastha

adhar

prarambhik

madhyamik

poornata

shodh